var a: number = 1;
var b: number = 1;
var c: number;
c = a + b;
c = a - b;
c = a * b;
c = a / b;
c = a % b;
c = a >> b;
c = a << b;
c = a >>> b;
var d: boolean;
d = a < b;
d = a <= b;
